Home / 28,154.66-38,837.68-25,300.62

Finding the Fourth Proportional to 28,154.66, 38,837.68 and 25,300.62

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Solution

The fourth proportional to 28,154.66, 38,837.68 and 25,300.62 is: 34,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.66 : 38,837.68 = 25,300.62 : x
  2. Step 2: Convert to fraction form
    28,154.66/38,837.68 = 25,300.62/x
  3. Step 3: Cross multiply
    28,154.66x = 38,837.68 × 25,300.62
  4. Step 4: Simplify right side
    28,154.66x = 982,617,320.11
  5. Step 5: Solve for x
    x = 982,617,320.11/28,154.66
  6. Step 6: Final answer
    x = 34,900.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.